I am trying to identify the location of the pressure coverters (transducers) on my 1991 300D. There are two of them: identical parts, one for EGR and one for fuel mix. MB part 000 545 0327.

Would they by any chance be the two circular parts, 2 inches in diameter, between the coolant reservoir and the air filter housing? If not, where are they?

Thanks!

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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles
06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion

19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife

BUMP

Anyone??

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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles
06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion

19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife

yes they are the black things on that side of the eng compartment with vacuum hoses and wires going to them.If you are having problems with performance they are the likely suspects.They are expensive and with all the vacuum hoses and connections all that rats nest is far more problem than it is worth,the least little fault will leave you with no boost!
Best cure can be found at GSXRs info on pressure operated waste gate, less money and gets rid of all that junk and related vacuum leaks on that side. Don

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Red Green "This is only temporary,Unless it works!"

97 E300D 157000 miles
87 300TD ?141k? miles